class QuadPoly
{
   public:
      QuadPoly();
      QuadPoly( const QuadPoly& qp );
      QuadPoly( int a, int b, int c );
     
      int countSolutions();
      float getFirstSolution();
      float getSecondSolution();

      bool operator==( const QuadPoly& qp );
      QuadPoly& operator=( const QuadPoly& qp );

      friend ostream& operator<<( ostream& os, const QuadPoly& qp );

   private:
      int a, b, c;
};